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Dairy Cattle And Reproduction

Subjects : industries, dairy
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. 147 days






2. Constitute 50-90% of the volume of the ejaculate. (3 glands total: seminal vesicles - prostate gland - cowper's gland)






3. Birthing process (termination of gestation)






4. Located directly in front of the cervix. fertilized egg implants here. connected to two uterine horns. implantation occurs on the same side as ovulation occurred.






5. 1-3 days






6. 19-23 (21) days






7. 30-38 hours after estrus cycle begins






8. Castration tool that uses a band around the testicles which cuts off circulation and eventually the testicles fall off






9. Sperm production






10. Actual heat cycle (period)






11. 1. seminiferous tubules - 2. sertoli cells - 3. leydid or interstitial cells






12. Produce testosterone. located between the seminiferous tubules






13. Reproduction. more offspring leads to more feed costs - but is offset by reproduction numbers






14. Help to signal hormone levels which we need both in the brain right next to each other.






15. Pulls sperm and egg together - gets body ready for pregnany - stimulates growth cells - develops mammary glands - starts to deposit fat.






16. Indicator of sperm production. the bigger the scrotal circumference the bigger volume of sperm because more seminal vesicles available to produce the sperm






17. Depository for semen during insemination. where urine leaves the body






18. (switzerland) 2nd in size and milk production - most muscle -






19. 1. brain function - 2. blood flow - 3. willing female






20. 114 days






21. Front feet and head first. (except for hogs and dogs)






22. Contains and regulates the temp of the testes for sperm production






23. The more stressed out the male is - the less sperm he is going to produce






24. Castration tool that uses a band around the testicles which cuts off circulation and eventually the testicles fall off






25. Animals which have only one estrous cycle (ex: dog - fox)






26. FEED






27. Front feet and head first. (except for hogs and dogs)






28. Can produce 200 calves naturally (~100 bulls) - top 1-2% will grade like him. everything left to chance if no AI performed






29. 14-19 (17) days






30. 1. to eliminate breeding the females at an early age - 2. makes animals less lean and provides a better cut for the market






31. 16-20 hours






32. Days which have increasing daylight hours

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33. 1. reproduction - 2. mastitis/udder problems - 3. low milk production - 4. soundness/poor feet and legs (living on concrete)






34. Actual heat cycle (period)






35. 1. visual evaluation - 2. scrotal circumference - 3. penis and prepuce observation - 4. rectal palpation - 5. libido test - 6. semen evaluation






36. S-shaped inside body - relaxes to be exposed for breeding. Disadvantges: muscles weaken with age - cannot always hold it in - exposed to harsh outside conditions or stepped on.

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37. Prevent the cow from getting an infection from the calve






38. Can survive ~7 days in cow. vast majority <48 hours






39. 1. bring in new genes - 2. replace males with leg problems (difficulty breeding) Note: culling has a much greater emphasis in the dairy industry vs the beef industry.






40. Prevent the cow from getting an infection from the calve






41. 336 days






42. ~60 days before calving






43. Check feet and legs - look for masculine traits in build such as crest and muscling






44. Why Dairy calves are fed powdered milk.






45. What about the sperm for a bull which has been castrated but still has testicles?






46. 14-19 (17) days






47. Days which have increasing daylight hours

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48. Failure to have both testis (gonads) descend






49. Failure to have one testis (gonad) to descend






50. Standing to be mounted (last one able to notice); mounting other animals; social behavior-restless - gregarious - activity - vocalizing; frequent urination; mucous discharge